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Operator´s manual

Please read these instructions carefully and make sure

you understand them before using the machine.

English

345 346XP 353

TAC

Summary of Contents for 345 TAC

Page 1: ...Operator s manual Please read these instructions carefully and make sure you understand them before using the machine English 345 346XP 353 TAC ...

Page 2: ...w adjustment This product is in accordance with applicable EC directives Other symbols decals on the machine refer to special certification requirements for certain markets This product is fitted with a catalytic converter If your saw bears this decal it is equipped with carburettor heating Always wear Approved protective helmet Approved hearing protection Protective glasses or visor Please read t...

Page 3: ... saw until sufficient chain oil has reached the chain see page 14 IMPORTANT If the carburettor mixture is too lean it greatly increases the risk of engine failure Poor maintenance of the air filter will cause carbon build up on the spark plug and lead to difficult starting If the chain is badly adjusted it will cause increased wear or damage to the bar drive sprocket and chain Under no circumstanc...

Page 4: ...USE A CHAIN SAW THAT HAS FAULTY SAFETY EQUIPMENT Carry out the inspection maintenance and service routines listed in this section Chain brake and front hand guard Throttle lock Chain catcher Right hand guard Vibration damping system Stop switch Muffler Cutting equipment see Cutting equipment section PERSONAL PROTECTIVE EQUIPMENT MOST CHAIN SAW ACCIDENTS HAPPEN WHEN THE CHAIN TOUCHES THE OPERA TOR ...

Page 5: ...echanism that tightens the Brake Band C around the engine drive system D Clutch Drum SAFETY INSTRUCTIONS 3a Starting The chain brake must be engaged when the chain saw is started b You can also use the chain brake as a temporary brake when you change position or if you put the saw down for a short time You should also apply the chain brake manually if there is a risk of the chain accidentally hitt...

Page 6: ...chain brake increases your safety but there are certain factors to remember see point 6 above SAFETY INSTRUCTIONS 2 Throttle lock The throttle lock is designed to prevent accidental opera tion of the throttle control When you press the lock A i e when you grasp the handle it releases the throttle trigger B When you release the handle the throttle trigger and the throttle lock both move back to the...

Page 7: ... strength changes in skin colour or condition These symptoms normally appear in the fingers hands or wrists SAFETY INSTRUCTIONS The muffler gets very hot in use and remains so for a short time afterwards DO NOT TOUCH THE MUFFLER IF IT IS HOT 6 Stop switch Use the stop switch to switch off the engine 7 Muffler The muffler is designed to keep noise levels to a minimum and to direct exhaust fumes awa...

Page 8: ...our wrist forward onto the front hand guard Do not let go of the front handle The chain should stop immediately Inspecting maintaining and servicing chain saw safety equipment SPECIAL TRAINING IS REQUIRED to service and repair chain saws This is especially true of chain saw safety equipment If your chain saw fails any of the checks described below take it to your SERVICE AGENT When you buy any of ...

Page 9: ...1 Make sure the throttle control is locked at the idle setting when you release the throttle lock 2 Press the throttle lock and make sure it returns to its original position when you release it 3 Check that the throttle control and throttle lock move freely and that the return springs work properly 4 Start the saw and apply full throttle Release the throttle control and check that the chain stops ...

Page 10: ...he risk of kickback Reduce the risk of the chain breaking or jumping Obtain maximum cutting performance Extend the life of cutting equipment The 5 basic rules 1 Only use cutting equipment recommended by us See the Technical data section 2 Keep the chain cutting teeth properly sharpened Follow our instructions and use the recommended file gauge A damaged or badly sharpened chain increases the risk ...

Page 11: ...ACK REDUCTION The level of kickback reduction offered by a chain is indicated by its model number See the Technical data section to find the model numbers of chains that are recommended for use with your saw 1 Cutting equipment designed to minimise kickback Faulty cutting equipment or the wrong combination of bar and chain increases the risk of kickback Use only the bar and chain combinations reco...

Page 12: ...data section for information about sharpening your saw chain It is very difficult to sharpen a chain correctly without the right equipment We recommend you use a file gauge This will help you obtain the maximum kickback reduction and cutting performance from your chain The following faults will increase the risk of kickback considerably FILE ANGLE TOO LARGE CUTTING ANGLE TOO SMALL FILE DIAMETER TO...

Page 13: ...sharpened We recommend that you adjust the raker clearance every third time you sharpen the chain NOTE This recommendation assumes that the length of the cutting teeth is not reduced excessively To adjust the raker clearance you will need a FLAT FILE and a RAKER GAUGE Place the gauge over the raker lip Place the file over the part of the lip that protrudes through the gauge and file off the excess...

Page 14: ...less of whether it is warm summer or cold winter weather As a chainsaw manufacturer we have developed an optimal chain oil which with its vegetable oil base is also biodegradable We recommend the use of our own oil for both maximum chain life and to minimise environmental damage If our own chain oil is not available standard chain oil is recommended In areas where oil specifically for lubrication ...

Page 15: ...aring grease SAFETY INSTRUCTIONS E Needle bearing maintenance The clutch drum is equipped with one of the following chain sprockets Spur sprocket A the chain sprocket is welded on the drum Rim sprocket B exchangeable Both versions have built in needle bearing at the drive shaft whitch has to be greased regularly once a week NOTE Use only high quality bearing grease or engine oil A B F Checking wea...

Page 16: ...occurs if the kickback zone of the bar touches an object H Bar Check regularly Whether there are burrs on the edges of the bar Remove these with a file if necessary Whether the groove in the bar has become badly worn Replace the bar if necessary Whether the tip of the bar is uneven or badly worn If a hollow forms on one side of the bar tip this is due to a slack chain To prolong the life of the ba...

Page 17: ...nation of bar and chain can increase the risk of kickback SAFETY INSTRUCTIONS General rules 1 If you understand what kickback is and how it happens then you can reduce or eliminate the element of surprise By being prepared you reduce the risk Kickback is usually quite mild but it can sometimes be very sudden and violent 2 Always hold the saw firmly with your right hand on the rear handle and your ...

Page 18: ... and not damaged 8 Check that all parts of the chain saw are tightened correctly and that they are not damaged or missing 9 Check that the chain catcher is in place and not damaged 6 STARTING Never start a chain saw unless the bar chain and all covers are fitted correctly The chain brake must be engaged when the chain saw is started See the instructions under the heading Start Never air drop start...

Page 19: ...act your chain saw dealer service agent or an experienced chain saw user DO NOT ATTEMPT ANY TASK THAT YOU FEEL UNSURE OF Important 1 Before using a chain saw you must understand the effects of kickback and what causes it See the section on How to avoid kickback 2 Before using a saw you must understand the difference between sawing with the top and bottom edges of the bar See the section on How to ...

Page 20: ... There are five important factors you should consider before making a cut 1 Make sure the bar will not jam in the cut 2 Make sure the log will not split 3 Make sure the chain will not strike the ground or any other object during or after cutting 4 Is there a risk of kick back 5 Do the conditions and surrounding terrain affect your safety when working Two factors decide whether the chain will jam o...

Page 21: ... B Felling direction The aim is to fell the tree in the best possible position for subsequent limbing and cross cutting You want it to fall on ground where you can move about safely The main point to avoid is letting the tree fall onto another tree It can be both difficult and dangerous to remove a tree in such a position see point 4 in this section Once you have decided which way you want the tre...

Page 22: ...cuts meet is called the DIRECTIONAL CUT LINE This line should be perfectly horizontal and at right angles 90 to the chosen felling direction FELLING CUT The felling cut is made from the opposite side of the tree and it must be perfectly horizontal Stand on the left side of the tree and cut with the bottom edge of the bar Make the FELLING CUT about 3 5 cm 1 5 2 inches above the flat section of the ...

Page 23: ...st on the trunk Keep the tree between you and the saw as you move along the trunk F Cutting the trunk into logs See chapter General working instructions point 2 Basic cutting technique SAFETY INSTRUCTIONS 4 Freeing a tree that has fallen badly high accident risk A Freeing a Trapped tree The safest method is to use a winch A Tractor mounted B Portable B Cutting trees and branches that are in tensio...

Page 24: ...hat is what 16 Bumper 17 Chain catcher Catches chain if it jumps or breaks 18 Clutch cover 19 Right hand guard Protects right hand if chain breaks or jumps 20 Throttle control 21 Throttle lock Prevents accidental operation of throttle control 22 Decompression valve 353 23 Combination spanner 24 Chain tensioning screw 25 Operator s manual 26 Bar guard 27 Oil pump adjustment screw 28 Switch for heat...

Page 25: ...ry Check that the chain brake is in disengaged position by moving the front hand guard towards the front handle Take off the bar nuts and remove the clutch cover Take off the transportation ring A A Fit the bar over the bar bolts Place the bar in its rearmost position Place the chain over the drive sprocket and in the groove on the bar Begin on the top side of the bar Make sure that the edges on t...

Page 26: ...ed Two stroke oil For the best results use HUSQVARNA two stroke oil which is especially developed for chain saws Mixing ratio 1 50 2 If HUSQVARNA two stroke oil is not available you may use another two stroke oil of good quality that is intended for air cooled engines Contact your dealer when selecting an oil Mixing ratio 1 33 3 1 25 4 Never use two stroke oil intended for water cooled outboard mo...

Page 27: ...the bar and the chain It is important to use oil of the right viscosity according to the air temperature In temperatures below 0o C 32o F some oils become too viscous This can overload the oil pump and result in damage to the oil pump components Contact your servicing dealer when choosing chain oil WARNING The catalytic converter muffler gets very hot during and after use This also applies during ...

Page 28: ...ve to reduce the pressure in the cylinder and make starting easier Always use the decompression valve when starting the saw Once the saw has started the valve will automatically return to its original setting Warm engine Use the same procedure as for starting cold engine but without choke Fast idle is recived by first set the choke control in choke position and then back again Start Grip the front...

Page 29: ...in must not rotate at idling A too lean adjusted low speed needle L may cause starting difficulties and bad accelera tion A too lean adjusted high speed needle H gives lower power less capacity bad acceleration and or damage to the engine A too rich adjustment of the two speed needles L and H gives acceleration problems or too low working speed L 1 4 H H L T Carburettor Functioning Basic setting F...

Page 30: ...in the centre of the pulley Carry the starter cord through the hole in the starter housing and the starter handle Make a knot on the starter cord Tensioning the recoil spring Lift the starter cord up in the notch on the starter pulley and turn the starter pulley 2 turns clockwise NOTE Check that the starter pulley can be turned at least half a turn when the starter cord is entirely pulled out Star...

Page 31: ...ter must always be replaced A Husqvarna chain saw can be equipped with different types of airfilter according to working and weather conditions season etc Needle bearing maintenance The clutch drum is equipped with one of the following chain sprockets Spur sprocket A the chain sprocket is welded on the drum Rim sprocket B exchangeable Both versions have built in needle bearing at the drive shaft w...

Page 32: ...g of the carburettor Therefore some special measures are required Partly reduce the air inlet of the starter and by doing that increase the engine temperature Preheat the intake air to the carburettor by using the heat from the cylinder Temperature 0 C 32 F or colder The cylinder cover is made so it can be adjusted for running in cold weather Open the winter flap so that preheated air from the cyl...

Page 33: ...gine fails to return to idle the saw should be taken to your dealer before it is used again Also be sure that the trigger cannot be pulled until the throttle trigger lockout is depressed 2 Clean the chain brake and check its function according to the instructions Make sure that the chain catcher is undamaged Otherwise replace it immediately 3 Clean or replace the air filter as necessary Check for ...

Page 34: ...XP E tech 5 1 346XPG 5 2 346XPG E tech 5 2 346XP G 113 346XP G E tech 110 346XP G 114 346XP G E tech 113 101 3 3 3 4 13 33 13 20 33 50 12 19 31 49 18 5 0 325 8 25 0 050 1 3 0 058 1 5 7 353 TAC 51 7 45 0 32 5 2 700 13 000 2 4 9 000 SEM CD NGK BPMR 7A Champion RCJ 7Y 0 5 Zama C3 EL17 0 5 6 10 0 28 Automatic 353 5 2 353 E tech 5 2 353G 5 3 353G E tech 5 3 353 G 112 353 G E tech 111 353 G 113 353 G E ...

Page 35: ...achinery 98 37 EC annex IIA of May 3 1989 relating to electromagnetic compatibility 89 336 EEC and applicable supplements of May 8 2000 relating to the noise emissions in the environment 2000 14 EC For information relating to noise emissions see the chapter Technical data The following standards have been applied EN292 2 CISPR 12 1997 EN608 Notified body 0404 SMP Svensk Maskinprovning AB Fyrisborg...

Page 36: ...2002W42 H 6J 114 01 00 26 ...

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